Oil spray recommendations
By: [by R.H. Robinson and Leroy Childs].
Contributors: Childs, Leroy, 1888-; Oregon State Agricultural College. Agricultural Experiment Station.
Series: Station circular / Agricultural Experiment Station, Oregon State Agricultural College -- 107.; Station circular (Oregon State Agricultural College. Agricultural Experiment Station) -- 107.
Publisher: Agricultural Experiment Station, Oregon State Agricultural College
Published: 1933
Place of publication: [Corvallis, Or.]
Language: eng
Subjects: Oil as pesticide.
Notes: Cover title.